The bill H. 3644 proposes an amendment to Act 919 of 1928, which governs the powers and duties of the Greenville Airport Commission. The primary change involves increasing the authorized total indebtedness of the commission from its previous limit to twenty million dollars. This adjustment allows the commission to borrow money and issue negotiable bonds, notes, and other forms of indebtedness, which will be payable solely from the revenue generated by the airport's operations. The bill clarifies that neither the state nor local governments will be responsible for these obligations, and it protects commission members and signatories from personal liability.

The specific legal language being amended is found in the last paragraph of Section 4 of the original act, which outlines the commission's borrowing capabilities and the conditions under which it can incur debt. The bill is set to take effect upon approval by the Governor, thereby enabling the Greenville Airport Commission to enhance its financial capacity for operational and infrastructural improvements.